CVE-2026-42015CWE-193

CVE-2026-42015

Medium · published May 27, 2026

CVSS v3.1
5.3
EPSS
1%
Percentile
59.9
In the wild
Unconfirmed
What it is

A flaw was found in gnutls. An off-by-one error exists in the PKCS#12 bag element bounds check. This vulnerability allows an remote attacker to write past the internal array of a PKCS#12 bag when appending to a bag that already contains 32 elements. This memory corruption could lead to a denial of service (DoS) or potentially other unspecified impacts.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS v4.0
Not supplied
EPSS
0.00920 · 59.9th percentile
Weakness
CWE-193 · Off-by-one Error
Published
2026-05-27T02:16Z
References (27)
https://access.redhat.com/errata/RHSA-2026:13274 · [email protected]https://access.redhat.com/errata/RHSA-2026:20611 · [email protected]https://access.redhat.com/errata/RHSA-2026:20612 · [email protected]https://access.redhat.com/errata/RHSA-2026:20613 · [email protected]https://access.redhat.com/errata/RHSA-2026:26319 · [email protected]https://access.redhat.com/errata/RHSA-2026:26409 · [email protected]https://access.redhat.com/errata/RHSA-2026:29197 · [email protected]https://access.redhat.com/errata/RHSA-2026:30004 · [email protected]https://access.redhat.com/errata/RHSA-2026:30849 · [email protected]https://access.redhat.com/errata/RHSA-2026:30850 · [email protected]https://access.redhat.com/errata/RHSA-2026:32962 · [email protected]https://access.redhat.com/errata/RHSA-2026:33125 · [email protected]https://access.redhat.com/errata/RHSA-2026:41921 · [email protected]https://access.redhat.com/errata/RHSA-2026:43575 · [email protected]https://access.redhat.com/errata/RHSA-2026:58981 · [email protected]https://access.redhat.com/errata/RHSA-2026:72502 · [email protected]https://access.redhat.com/errata/RHSA-2026:74674 · [email protected]https://access.redhat.com/errata/RHSA-2026:82304 · [email protected]https://access.redhat.com/errata/RHSA-2026:82322 · [email protected]https://access.redhat.com/errata/RHSA-2026:82347 · [email protected]https://access.redhat.com/errata/RHSA-2026:82354 · [email protected]https://access.redhat.com/errata/RHSA-2026:82372 · [email protected]https://access.redhat.com/errata/RHSA-2026:82857 · [email protected]https://access.redhat.com/errata/RHSA-2026:82888 · [email protected]https://access.redhat.com/security/cve/CVE-2026-42015 · [email protected]https://bugzilla.redhat.com/show_bug.cgi?id=2467678 · [email protected]https://www.gnutls.org/security-new.html#GNUTLS-SA-2026-04-29-11 · [email protected]
EPSS history
Timeline
  • 26 MAY 21:29Z
    Gnutls: gnutls: memory corruption due to off-by-one error in pkcs#12 bag handling
    cvelistv5